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논문 기본 정보

자료유형
학술대회자료
저자정보
Tuyen D. Nguyen (Ho Chi Minh City University of Technology) Trinh Nguyen (Ho Chi Minh City University of Technology) Ravi Nath Tripathi (Kyoto University of Advanced Science) Long H. B. Nguyen (XEVTECH) Minh V. Vo (XEVTECH) Hai N. Tran (XEVTECH)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
1,615 - 1,620 (6page)

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This paper proposes an adaptive frequency control strategy for the unidirectional DC/DC converter based on Dual-bridge LLC (DBLLC) resonant converter to eliminate the circulating interval (CI), which causes high conduction loss. The LLC resonant converters are the preferred choice to select of DC/DC converter topology for on-board charger (OBC) due to it provides many advantages such as high efficiency, high power density. The DBLLC resonant converter operating with variable frequency and the pulse width-modulated (PWM) control will be applied as an isolated stage (DC/DC converter) of 400V-7.4 kW to improve the power density and efficiency of the whole system. The advantage of operating at the adaptive frequency is that the conduction loss in all devices will be reduced, while the soft switching technique is still achieved over the full load range. Furthermore, the detailed CI characteristic along with losses analysis is presented. The topology is designed for 400 VDC input to 220-380VDC output conversion, in the power range from 3.3 kW to 7.4kW. All theoretical analysis and the experimental results on the proposed converter are provided to verify the system performance.

목차

Abstract
I. INTRODUCTION
II. OPERATION PRINCIPLES ANALYSIS
III. PROPOSED ADAPTIVE FREQUENCY TO ELIMINATE THE CIRCULATING PERIOD
IV. SIMULATION AND EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES

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